内容正文:
Unit one, harm. harm. soil. soil. ecosystem. ecosystem. overseas. overseas. region. region. continent. continent. million million, length. length. biodiversity. biodiversity. species. species. not. not. brazil nut. brazil nut. lily. lily. water lily. water lily. variety. variety. wildlife. wildlife. beneath. beneath the math, math. towering. towing. hardwood. hardwood. living. living. memo. mammo. jia . jacka. survive. survive. frog. frog. intern. intern. insect. insect. microorganism. microorganism. break down. break down. nutrient. nutrient, breathe life to breathe life into . carbon. carbon. oxygen. oxygen. thus. Disappear. disappear . due do . to agriculture, agriculture. cattle. cattle. impact, impacts. impact. Extinction. extinction. damage. damage. climate. climate, build up, build up . global. global Greenhouse, Greenhouse. Guess. guess. Drought. drought. Come up with. come up with. Call for. call for. application. application. Pressure. pressure. Organization. organization. Absolutely. absolutely. Bet . bet. Medal . medal. Image. image. shark. shark. spring to mind. spring to mind. Whale. whale. dear . deer. Track. track. habitat. habitat. nowhere. nowhere. Dolphin. dolphin. resident. resident. Chief. chief . tee . committee. entirely. entirely. smug. smug. Get rid of, get rid of. Protest. protest. profit. profit defense, defense. various . various process, process. economic. economic . policy. policy branch, branch. strategy. strategy. recycle . recycle subway . subway . former former official official. poverty. poverty. poison. poison. chemical . chemical consequence . consequence, give rise . to give rise to . further . further.